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Found 2 results

  1. For the most part, I've been sourcing my components from either Mouser and or Digikey, but lately I've started placing one-off bulk orders with AliExpress. You can typically find what appear to be great prices on larger quantities of discreet component, but then there's always that large shipping fee (at least to the US) and the significant wait time for deliveries (which typically take 4-12 weeks in my experience). So, I decided to take a look at some of the components I need for a particular BOM and compare the actual costs, side-by-side: In each case, I tried to source the cheapest components from reputable suppliers with the most positive reviews and feedback. You'll notice that the volume and quantities aren't exactly the same for all items, since Mouser required some minimum qty. for certain items. But in the end, the cost delta worked out to only be around 9%, so I decided to stick with Mouser for most of this order and benefit from the trusted quality and faster shipping time. Apologies if this is stating the obvious, but the exercise was helpful for me, so I thought it was worth sharing. Cheers, -Darrell
  2. Apologies if this is redundant, but I didn't see a similar post anywhere else in the forum, so I thought I'd share.. As I started to piece together my bill of materials for an MB-6582, I realized I would have to do a lot of sorting and counting from the tables in the wiki. I decided to copy & paste into a spreadsheet for easier pivoting and here's what I came up > Covers parts for the Base PCB only > Assumes 4xCore Modules & 4 x SIDs (either 6582 or 8580, not including regulator parts for 6581) > Uses power supply option E Description Value Qty. Part Sourcing Links Base PCB MB-6582-BS 1 https://modularaddict.com/midibox-6582bs-pcb Capacitor - Electrolytic (Radial) 100µF 25v 1 https://www.mouser.com/ProductDetail/140-RGA101M1EBK0611G 10µF 25v 9 https://www.mouser.com/ProductDetail/140-RGA100M1EBK0511G 1µF 50v 8 https://www.mouser.com/ProductDetail/140-SEA1R0M1HBK0407 2200µF, 16V (or 25V) 1 https://www.mouser.com/ProductDetail/140-REA222M1EBK1625P Capacitor - Metal Film 22nF 16 https://www.mouser.com/ProductDetail/667-ECQ-E4223RKF Capacitor - MLCC 100nF 36 https://www.mouser.com/ProductDetail/594-K104K15X7RF53H5 1nF 16 https://www.mouser.com/ProductDetail/594-K102M15X7RF53L2 33pF 8 https://www.mouser.com/ProductDetail/594-K330J15C0GF5TH5 470pF 8 https://www.mouser.com/ProductDetail/594-K471K15X7RF53H5 Crystal 10MHz 4 https://www.mouser.com/ProductDetail/815-ABL-10-B1U DIN Socket 5-Pin 2 https://www.mouser.com/ProductDetail/57PC5F 7-Pin 1 https://amzn.to/3bCe4cx (Amazon - hard to find these days) Diode 1N4148 5 https://www.mouser.com/ProductDetail/1N4148 Header 2-Pin 2 Any 3-Pin 9 Any 4-Pin 1 Any 4-Pin Dual row 1 Any 8-Pin Dual row 4 Any IC 24LC512 - 512K EPROM 8 https://www.mouser.com/ProductDetail/24LC512-I-P 6N138 Optocoupler 1 https://www.mouser.com/ProductDetail/630-6N138 74HC165 - Shift Reg (Parallel to Serial) 5 https://www.mouser.com/ProductDetail/595-SN74HC165N 74HC595 - Shift Reg (Serial to Parallel) 11 https://www.mouser.com/ProductDetail/595-SN74HC595NE4 PIC18F4685 Microcontroller 4 https://www.mouser.com/ProductDetail/PIC18F4685-I-P SID 6581/6582/8580 8 Check eBay or Etsy - Good luck! IC Socket 16-Pin 16 https://www.mouser.com/ProductDetail/485-2203 28-Pin 8 https://www.mouser.com/ProductDetail/485-2206 40-Pin 4 https://www.mouser.com/ProductDetail/485-2207 8-Pin 9 https://www.mouser.com/ProductDetail/485-2202 Potentiometer - Rotary 100K - Dual Gang 4 https://www.mouser.com/ProductDetail/313-1250F-100K Potentiometer - Trimmer 10K 5 https://www.mouser.com/ProductDetail/PT6KV-103A2020-PM Resistor 1.2K 1/4 1% 4 https://www.mouser.com/ProductDetail/271-1.2K-RC 100 Ohm 1/4W 1% 4 https://www.mouser.com/ProductDetail/271-100-RC 10K 1/4W 1% 25 https://www.mouser.com/ProductDetail/271-10K-RC 1K 1/4W 1% 34 https://www.mouser.com/ProductDetail/271-1K-RC 220 Ohm 1/4W 1% 20 https://www.mouser.com/ProductDetail/271-220-RC 5.6K 1/4W 1% 1 https://www.mouser.com/ProductDetail/271-5.6K/AP-RC Resistor network (5-pin or 6-pin) 10K 10 https://www.mouser.com/ProductDetail/264-10K-RC Stereo Phono Jack with Switch Neutrik - NMJ6HFD2 4 https://www.mouser.com/ProductDetail/550-20301 Toggle Switch Salecom T80-R 1 https://www.retroleum.co.uk/c64-misc-components-fuse-etc Transistor BC337 1 https://www.mouser.com/ProductDetail/610-BC337 BC547 16 https://www.mouser.com/ProductDetail/512-BC547ATA Voltage Regulator 5V SREG 1 https://www.mouser.com/ProductDetail/919-R-78B5.0-1.5 7809 1A 1 https://www.mouser.com/ProductDetail/511-L7809ABV-DG Component Grand Total 338 Cheers!
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