DIY 4 channel isd1820 lo-fi SAMPLER

This is my lofi isd1820 sampler!
Schematic: www.dropbox.co...
My circuit is based on Casper Electronics article on Bastl Instruments website. There's more info there on the ISD chip for example how to easily add voltage and gate controls. I wanted this to be a limited standalone box, but you could easily make this into an eurorack module and add more controls.
Here's the article: bastl-instrume...
And the inspiration for the whole thing came from Lonershy’s sampler!
Lonershy's sampler: • LOFI SAMPLER - MINISHY...
And his HOW TO video on it: • HOW TO DIY LO FI SAMPLER
Also go sub to lonershy: / lonershy
Thanks bye!
You can also follow me on instagram: / lauri_diy

[@sharptrickster]

They say that technical limitations of the gear breeds creativity, and by using this inherently flawed chips I see A LOT of your creativity pouring out of them on the other end. I love the vibe and the aesthetics. Congrats on your artform.

[@StephenMcLeod]

Super cool. I got a bunch of the isd1820 boards a while back and haven't gotten around to building anything with them yet. This is really smart, and a nicely shot video! Thanks for sharing.

[@LAURISDIYCHANNELTV]

Thanks! 💃💃💃

[@Slope114]

Sounds like yours works better than the little pcb module. Nice work!

[@floretionguru2977]

How cool! From around the 9:30 min mark I was immediately transported to Boards of Canada's "Everything You Do Is a Balloon" :)

[@ThisIsDownstate]

jesus dude, that last song is absolutely beautiful. you have a special magic to the sounds you make

[@PnPModular]

Beautiful with your singing 💓

[@LAURISDIYCHANNELTV]

Thanks! 💕

[@studio_confluence]

the music at the end is the best part! thanks for sharing, super cool...

[@lorenzneumann7157]

Absolutely beautiful ambient machine ♥️ Also big props to the way you make your videos. Very fun to watch 👍

[@benjiaomodular]

Ordered some of these chips last year, this might be my sign that I should use them. 😂 Good work on the video! Sounds great too. Keep it up. 👌

[@LAURISDIYCHANNELTV]

Thanks! 🙏🙏 We all take our time with shit, this project took me like a year to finish but maybe 3 evenings in actual hours on the project hahah

[@benjiaomodular]

​@@LAURISDIYCHANNELTV haha! Fair enough. That does happen to me a lot. 😄

[@vitaliy8966]

Спасибо за такой подробный обзор, очень раз что нашёл твой канал, попробую теперь сделать подобный семплер и буду ждать новых видео ^^

[@JohnBaronian]

I love this. Thanks so much for sharing: "Build sampler!" also honored to be the thousandth like!!!

[@rabidwasp]

What a superb instrument (And you really use it well)!

[@leovonfitzy]

Very well done! You put that together brilliantly. And you gave me a much better understanding of how the chip works! Those original SMD modules can be a pain to operate with chunky fingers ha! 😉

[@djr_nold]

dayumn! this video influenced me a lot... I guess it's time to build my own...

[@nachshonrorick]

LONERSHY is my spirit animal - check dude out!

[@LAURISDIYCHANNELTV]

Oh yeah he’s a lovely dude!

[@expedisound5094]

Your channel is so underrated!! love the videos and your personality

[@LAURISDIYCHANNELTV]

Thank youu! ❤️🥰

[@CausticCatastrophe]

Not for long!

[@JackNiles]

Yea it’s a nice day to go visit with her friends but she is really nice about you guys

[@maikmario71]

I like your little song with the sampler very much! you are a new artist, you have your own new ideas

[@kurtkabica]

Thank you .. good Sir…

[@remowo_]

Awesome build and an inspiring and expressive creation. Congratulations dude!

[@sebp400]

damn, you're good. the track at the end is inspiring.

[@L2.Lagrange]

Definitely going to check out this vid

[@maandalen]

Fun DIY and lovely musicianship 🌿

[@recycled-noise]

nicely done - your videos are just getting better and better

[@LAURISDIYCHANNELTV]

Thanks! 🙏🙏🙏

[@AndrewJohnClive]

Nice work Lauri. A wonderful sounding machine..❤

[@danielegiacalone2602]

Great project and great music, truly exciting. You manage to unite passion fot the electronics and music in incredible way, very inspiring for me. You convinced me to use IsD1820 for the looper and sampler machine DIY and in a few days i 'll have some of these, i'll have a lot of fun!

[@LAURISDIYCHANNELTV]

Thanks! So nice to hear this inspired you! 🥰 have fun with the chip! 👏👏

[@_fora]

Awesome, especially the jam at the end!

[@djSpinege]

i love the look. would fit right into a MR Scruff video.

[@kellerdev2905]

That music is dope!

[@AccidentalScience]

Love the lofi sound. Cool instrument and nice build.

[@LAURISDIYCHANNELTV]

Thanks! 🥰

[@SBender36]

Good work ! ISD1820 is a fun chip, i 've also made some sampler/looper stuff with it, and add an external trigger input to control sample from my modular ;), very usefull DIY powa !

[@LAURISDIYCHANNELTV]

Thanks! Oh yeah it’s a great chip! You can also make a simple and fun lofi VCF out of it, because there is an internal filter filtering the noise at different clock rates. I might build that into a module and make a video 🤘

[@stephenmaughan]

@@LAURISDIYCHANNELTV Yeah you should. I made one and it sounds great. Have you seen the Casper mod where he added a resonance pot? When I was making mine I accidentally discovered a clean mode so it’s not as noisy. I’ll have to take it apart and see which pins it was now. Mine was just made using the prebuilt ISD1820 modules but my IC’s have arrived today so I will be making a start on a version of your 4 track sampler. Thanks for sharing how you made it.

[@stephenmaughan]

Bastl not Casper. Just seen your link in the description! :)

[@LAURISDIYCHANNELTV]

@@stephenmaughan yeah its a great article! I did build the filter on breadboard a while ago and did include the resonance and it sounded awesome! And youre not wrong saying Casper, these articles are a collab between bastl and casper electronics!

[@stephenmaughan]

@@LAURISDIYCHANNELTV Not sure if you want to add the clean filter mode but I’ve just opened up my lo-fi filter and it looks like the pins that give you the clean mode are LED and PLAY_E. The resonance doesn’t work when it’s on though, I’ve also done the cv input with a cv amount to cut off , it seems to work well.

[@artspiritfineartstudiogall9672]

Totally beasters! Love it. Great Jamz too! Stay sweet...

[@jacobsteel]

Excellent, I'll try and build one soon... thank you!

[@jj74qformerlyjailbreak3]

Thanks for your upload. Love your work. God Bless.

[@jj74qformerlyjailbreak3]

I just found this video again. Maybe I’ll finish this project. I ordered everything Tim’s 10 last year and well...

[@Jesception]

Amazing stuff. Keep it going keep it flowing

[@abeatcure3163]

I finish building , thank you !!

[@cwrigh13]

Great video!

[@shawnlennon1947]

so fun looking

[@sachagirard561]

Very inspiring! Bravo!

[@CausticCatastrophe]

Cool project!

[@toolzshed]

Hey that's pretty cool 🤘🏽🔥

[@ilyakrylov3827]

nice singin'!

[@Lonershy]

oh this is amazing! damn looks so good

[@LAURISDIYCHANNELTV]

Thanks so much dude! And thanks for the initial idea for the sampler! 😊

[@Mp3acid]

Nice work dude

[@LAURISDIYCHANNELTV]

Thanks! 🙏❤️

[@DiegoMedina74]

wonderful!

[@LeoDaV]

I love your videos!!

[@OmBotCult]

this is great!

[@JIDEHHIGHELEMENTS]

thanks very helpfull !

[@martinroldan7073]

Esta muy bueno, creo que lo voy a hacer pero de 8 canales

[@euglossine4ever]

❤

[@batmanlaibayarmanlai9052]

Great Bro i like it

[@areusmartinez8343]

🙌♥️

[@jimgoodinmusic]

Great project - I want to build it and sort of do an intween your idea nad lonershy. It's hard to find this idea in a modular format so I'm going to shoot to put it all on a card and then put a face on it meaning a mon user end. I also like your demos, particularly the last one from guitar samples is lovely!

[@dillipphunbar7924]

nice one...liked and subbed

[@volanoisystuff2879]

Hyvä meno!

[@LAURISDIYCHANNELTV]

Kiitti! 🎉

[@Phoneticbeats]

Steve Zissou!!

[@NoirEater]

SMD stuff freaks me out. Maybe one day I'll be good at it and it will be wonderful but now is not the time and I sorta wanna keep it that way haha

[@LAURISDIYCHANNELTV]

Samesies!

[@NoirEater]

Might have to get one of those boards just to mess with though. Could replace the mic with an input idk it'd be fun

[@LAURISDIYCHANNELTV]

Yeah its fun, i messed around with a board as well before building this one! A great way to try it out or test some ideas!

[@NoirEater]

Just ordered one!

[@raymondcortez5184]

Yo this is legit

[@ianhively8378]

Just record children playing at a park with this thing and boom instant Boards of Canada. You could also insert a sample rate knob and do what aphex twin did. God bless

[@channelite]

Could gate inputs be added instead of the buttons and also add vactrols to the pitch pots for cv control?

[@LAURISDIYCHANNELTV]

Yes you could, or have both! You dont even need vactrols for cv inputs, its even easier! If you want to build that, you should check the Bastl website link in the description, there is a schematic with cv and gate inputs. I decided not to include those for mine, because i wanted this to be as simple of a stand alone box as possible. The only thing i regret not includin is a foot pedal input for recording, so i could easily record for example chords etc using both hands.

[@maikmario71]

Thank you for posting the video ! I would like to build this sampler, but I have a mental block! I see it correctly that I only need a CD4069 (mixer) and connect the respective outputs of the channels with the 4069?! What I still don't quite understand is: Do I need 4 pieces of ISD1820 and connect them to each other from pin 4 to pin 4 and pin 3 to pin 3 of the other 1820? Or does IC1 (1820) take control of all input signals of all channels? Sorry my english is not so good so i let google translate translate it! I hope that it is translated in an understandable way! Thanks in advance

[@LAURISDIYCHANNELTV]

Thanks! You have to build the sampler part of the circuit 4 times, so individual samplers for all the channels. That’s the part i circle with red at 2:08. And yes you connect the input pins 4 & 5 of all the samplers together and then connect all the outputs from pin 9 to the cd4069 mixer input.

[@maikmario71]

@@LAURISDIYCHANNELTV ...exactly, I will then connect all outputs from pin 9 to the respective SEPARATE inputs of the cd4069 mixer. First I wanted to connect all outputs to one and the same input of the CD4069, but the 4069 has 6 separate inputs and outputs.Sometimes I'm stupid ! Thank you for your feedback signal ! Regards

[@LAURISDIYCHANNELTV]

@@maikmario71 no sorry the sampler outputs DO all connect to the same input pin of the cd4069 via the 100k resistors shown in the schematic! So you need 4 separate isd1820 chips and all of the outputs go to the same mixer input! The cd4069 simply adds all the signals together and thats why they all connect to the same pin! And its good to ask these things, i know that sometimes it takes a while to get the connections right!

[@maikmario71]

@@LAURISDIYCHANNELTV ...oh okay thanks! I'm still a beginner, sorry for not understanding, I'll do it like this! Many thanks

[@maikmario71]

@@LAURISDIYCHANNELTV Hi, I built your sampler, it works great, it's fun! I would love to have the RC filter, unfortunately it doesn't work :( !

[@lachlanpasquale3151]

With the limitations of the ic chip have you thought of building the circuit with the APR33A3 ? Only just a thought as it seems its a higher quality playback

[@LAURISDIYCHANNELTV]

Oh im not familiar with that chip! With a quick google search the technical specs seem interesting, i’ll have to look into this! Thanks for the tip! 🙏

[@nicruleggia]

Great video man! I just built it and it sounds great apart from a strong, constant noise from the cd4069, did you encounter this issue? I’m powering it via usb

[@LAURISDIYCHANNELTV]

Thanks! I didn’t have any noise problems, but i would recommend trying to power it with a different power supply. Sometimes ive had some noise issues with other diy gear and its been because of a cheap power supply!

[@manuelquintanilla.corridos6395]

Wow

[@samueldyer4100]

If you search Indians 4AD session, you'll find one of my favorite live performances of any band ever. Your rando jam in this video sounds a ton like them. :] very gorgeous. I am also making a module with four of these and have a question. Could you look at my layout on imgur? It's titled "isd1820 HMMMM?" I know it looks silly, but leaving the module together means less soldering. xD. I planned on taking the mics off, but maybe after watching you I should leave one on.. Thank you for the RC filter idea! Please, any feedback is good feedback.

[@LAURISDIYCHANNELTV]

Thanks! I’ll go check the indiands 4ad session out, haven’t seen it before! I didn’t find your imgur stuff and honestly dont know how imgur works lol 😄 i cant remember if you can link stuff in youtube comments but you can send me a link in an instagram dm and i’ll help out if i can in any way! You can find my instagram in the video description

[@LAURISDIYCHANNELTV]

And i would definitely recommend leaving a microphone, if you wanna make any sort of ambient stuff, because you can use it for background texture stuff by sampling even just silence in a room or very subtle scratching of clothes or any sounds like that!

[@ManuelQuintanilla-zk7zs]

Hey. Like.

[@HugoPlaVentas]

wow just beautiful! Have you thought about puting a LP Knob on each channel? Should it go between the isd out and mixer input? Thanks ;)

[@LAURISDIYCHANNELTV]

Yeah you could easily make a filter for each channel, just like you said, between the sampler output and mixer input! I decided to only make a master filter cause its simple and fits my workflow. And i actually decided to add the filter while i was building this so i wouln’t even have been able to fit a filter knob for all the channels hahah

[@HugoPlaVentas]

@@LAURISDIYCHANNELTV yeah it's just for the shake of adding something to It. As it is in your hands sounds great. I'll be building mine all night jajhah

[@Alphonso_026]

A bit late to the party, but I am definitely gonna give this one a try! Great instrument, great video! Do you know if the chip supports reverse playback by any chance?

[@LAURISDIYCHANNELTV]

Thanks! Sadly there is no reverse playback

[@Alphonso_026]

@@LAURISDIYCHANNELTV yeah, I was looking at the pinouts just now. Either way, that last part you performed a ‘Jonsi-ish’ soundscape did it for me. Really nice!

[@Alphonso_026]

@@LAURISDIYCHANNELTV Trying to implement CV over pitch as stated on the BASTL site, but getting reversed behaviour so lower voltage means higher pitch (!). Do you have a clue maybe? 😅

[@LAURISDIYCHANNELTV]

I havent played around with the cv input yet, but i guess some chips do have inverted voltage inputs, i know some of the CEM chips do as well! You could maybe use a cmos inverter just like the CD4069 to invert the cv before going to the chips cv input? If you’re building the mixer from my schematic as well, you would have unused inverters left in the 4069

[@Alphonso_026]

@@LAURISDIYCHANNELTV Thats actually pretty clever. Will try that thank you!

[@granthropocene]

This is really great. Thanks for sharing. Curious to build one myself, but thinking out loud… I wonder if I would instead have the record buttons as soft click foot switches to free up hands when recording?

[@LAURISDIYCHANNELTV]

Thanks! Yeah, after using the sampler more, i would recommend foot switches! I think a connector for a regular sustain pedal is the way i would go if i built another one

[@LAURISDIYCHANNELTV]

In addition to the regular buttons, cause they are great as well for different stuff!

[@granthropocene]

@@LAURISDIYCHANNELTV Possibly thinking of using standard guitar pedal 3PDT foot switches for Record, and the smaller/lower button-switch for Play, so the layout is somewhat staggered/tiered. Not sure yet. But did want to ask a follow up question: Looking at the schematic, the only thing I wasn't sure about was where you connected the mic on-off switch to the electret mic? Any ideas?

[@LAURISDIYCHANNELTV]

the switch is simply disconnecting one of the mic capsules pins!

[@alexandrebreton4720]

Just what I was looking after another craft pulsion Do you think it it possible to get te audio out while recording, for example with a audio splitter in between audio in and the ICs ?

[@LAURISDIYCHANNELTV]

Im sure its possible somehow! Theres a ”feedthrough” option in the IC but i cant remember how it works. It might just let the input signal straight through without being able to record

[@juanjoseacuna8792]

Wow, its amazing. I'm working on my own right now. But I have a question, what is the GND plug for? and also, both input line (plug and miniplug) doesn't need any switch to change from one to another? I guess that you can use just one input at the time, right? Thank u for sharinggggg!!

[@LAURISDIYCHANNELTV]

Thanks so much! ❤️ yeah i forgot to mention about the input/output connections while filming the video! Both inputs are connected together and i just use one at a time. And the ground connection is there because the smaller input and output connections are actually banana jacks! And banana cables dont have the ground connection built in like in your regular plugs. So if want to connect this to my modular synth that works with banana cables, i also need to connect the grounds of different devices. So you can totally build this with just regular jacks and forget about the ground connector!

[@HugoPlaVentas]

1k resistor on pin 13 goes from led to +5, not ground. It's easy to figure it out anyway.

[@LAURISDIYCHANNELTV]

Oh hey i think you’re right! Thanks for pointing that out, I’ll fix it to the schematic in the dropbox link!

[@LAURISDIYCHANNELTV]

I checked the sampler and i actually do have the leds connected to ground, but the led symbol is the wrong way round in the schematic!

[@HugoPlaVentas]

oh interesting! i checked on bastls site and it worked on breadboard but not when soldered it so sure you're right srry hahaj

[@LAURISDIYCHANNELTV]

I think in the bastl article the leds were connected to 5v in some circuits and to ground in others! I guess it works both ways and you just gotta have the led polarity the right way

[@HugoPlaVentas]

@@LAURISDIYCHANNELTV yess seems to be diferent in each one, i'll try negative Led pin to ground. Thanks again :))

[@colanofcaerleon1267]

great video, i made the circuit from the diagram using just the isd1820 chip and found the output really quiet even with some amplified pc speakers any advice for boosting the output signal

[@colanofcaerleon1267]

solved i had had grounded pin 7 on the chip thought it would be like 40 series type ic

[@LAURISDIYCHANNELTV]

Nice! 😎

[@吉田ほにお]

Hello. I would like to make this sampler. I have a question. Since it's 4ch, does that mean I'm using 4 ISD1820? Does this mean that the rear inputs are common and the outputs are combined using the 4069 mixer?

[@LAURISDIYCHANNELTV]

Yes, you build the isd1820 sampler part 4 times! The inputs are connected and the outputs go to the 4069 mixer! At 2:08 i highlight the isd1820 part of the scematic

[@analog103]

really cool! where did you order the push-button switches? got a link? thanks!

[@LAURISDIYCHANNELTV]

Thanks! 🌞 I dont have an exact link, but you can search ”10pcs arcade push button” on ebay and you can find the same buttons by a lot of sellers and also in different colours! Usually everthing i use is just the cheapest shit you can find on ebay hahah

[@stereotech01]

Nice. Are the 104 components .1uF disk caps? Thanks.

[@LAURISDIYCHANNELTV]

Yes!

[@stereotech01]

Thanks much! Happy holidays!

[@LAURISDIYCHANNELTV]

Thanks, you too! 🎄

[@kellenhess7246]

u should try 2 diy a pt2399 delay maybe

[@LAURISDIYCHANNELTV]

I’ve been thinking of building one, and probably will at some point! And make a video about it

[@hollowkautsr2653]

Very inspiring for beginners like me. how many volts adapter is needed?

[@LAURISDIYCHANNELTV]

Thanks! ❤️ this works on 5V

[@Alex-rg1rz]

How is the mic disconect Switch wired ? I don't see it on the schematic

[@LAURISDIYCHANNELTV]

It simply disconnects one of the two wires coming from the mic! So a simple on-off toggle switch right after the mic capsule.

[@reiki0005]

So I’m inspired now! Lol quick question, how do you power this device?! Batteries? Or 9v??

[@LAURISDIYCHANNELTV]

I’m using this with a 12V dc power supply and theres a 5V regulator in the power input of the circuit, but i did this just because i didn’t have any 5V supplies at the time! So the best way would be just a 5V dc power supply! ✌️

[@reiki0005]

@@LAURISDIYCHANNELTV thank you so much!

[@peelcat8144]

Nice work there 😍 I just started electronics and never used a cd4069… can u help me with that? How to connect al of the 4 channels en go to one output? Thank u!

[@LAURISDIYCHANNELTV]

Thanks! Oh yeah i guess i forgot to write the pin numbers to the schematic! The sampler outputs all go to pin number 1 of the 4069 via the resistors you can see in the schematic. And pin number 2 is the output! So the triangulat inverter symbol in the schematic is the pins 1 & 2 of the 4069!

[@peelcat8144]

Thanks! 🙏🏻 Keep up the good work !

[@filipw4769]

Hi! where is master volume connected?

[@LAURISDIYCHANNELTV]

The output from the mixer (marked ”output” in the schematic) connects to pin 1 of an A100K potentiometer. Pin 2 connects to an output jack and pin 3 to ground!

[@filipw4769]

@@LAURISDIYCHANNELTV thanks!

[@martingerken7094]

Any reason for the 4069 instead of a proper opamp? A 4069UB, right?

[@LAURISDIYCHANNELTV]

Yeah its a 4069UB! No actual reason really, i just had done some projects with the 4069 and had a bunch of them laying around

[@NightDangerRPG]

Forgive me if this is a silly question, but does each sampler module require its own 5v power source, or is this all running off a single LM7805?

[@LAURISDIYCHANNELTV]

They’re all running off the same power!

[@claypipkin]

what is the CD4069 doing in that configuration? I expected it to sum the signal but after reading the datasheet I'm just confused?

[@LAURISDIYCHANNELTV]

Yes it is summing the individual channels! In a circuit like this its working kinda like an op amp of a mixer, but thats very different from what its originally designed for! You could use a regular op amp, tl082 for example, for the mixer and that would probably be better than the 4069

[@dvdragond2]

Do you have the tracks you played while assembling the sampler somewhere? I would love to hear more!

[@LAURISDIYCHANNELTV]

They are some random unreleased ideas, demos or synth jams, like all the music in my videos! They are not available anywhere but if want you can shoot me a dm on insagram and i can send you the files hahah!

[@dvdragond2]

@@LAURISDIYCHANNELTV only just noticed this! I don't have Instagram but am happy to talk another way?

[@LAURISDIYCHANNELTV]

Okay, you can shoot me an email to madebylaurichannel@gmail

[@easyhelp]

What is the value of master volume pot? And, how did you wire it?

[@LAURISDIYCHANNELTV]

It’s an A100k pot and the signal goes to the middle lug of the pot. Lug 1 is the output and lug 3 goes to ground! You can also search ’volume pot’ on google and see images of the wiring

[@HugoPlaVentas]

srry for so many questions but is there a trick to make it record at any clock time? Mine just records at a concrete speed

[@LAURISDIYCHANNELTV]

Hey no problem at all, happy to help! The pitch knob should affect the recording clock rate as well as the playback

[@HugoPlaVentas]

@@LAURISDIYCHANNELTV it seems if loop is on, It will not record again. When loop is off it lets me record any speed. Should it work this way?

[@LAURISDIYCHANNELTV]

Yeah i guess you have to stop the loop to record!

[@ned_interrobang]

no cv control?

[@LAURISDIYCHANNELTV]

No, but it’s easy to add cv control if needed! There’s schematics on how to do that in the bast instruments article i linked in the description!

[@erictorres2368]

Are you selling these?

[@LAURISDIYCHANNELTV]

Sorry, i'm not selling the samplers at the moment because all my diy builds are very janky and not that reliable, and i dont want to send people stuff that ends up braking or working weirdly lol. At some point I might design a pcb and then i could maybe sell diy kits or something

[@erictorres2368]

@@LAURISDIYCHANNELTV thanks for your honest answer. It is awesome by the way

[@discophone_6214]

Insta follow. Really cool and inspiring video! Thanks mate! 💪🏻