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For yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another fairly simple one, using Arduino (nano or uno) + MCP4725 (DAC). ** https://hkadesign.org.uk/monotronkb.html for yet another version Alternative: CV from something else use a ground plane. - when pressed, short +12V and Reset In socket - Reset Socket to U3-3 = capacitor measurement roughly 15nF (has a resistor as well - Once/Cont 11 Toggle Switches, 2pin: - all step switches (all go to same bus 2x Pushbutton switches, all 2pin: reset Pots, 3-pin: - Glide attenuator (B10k) (join two left pins from below Pots, 2-pin: - Glide, manual (A100k) (two left pins, from below) - Clock rate goes down when resistance goes up, opposite to expectation. Glide fix - CV out - CLK out - Gate out (could normal to TP10, optional) - Casc out 2x Toggle Switches, 2pin: all step switches (all go to same bus) - run/stop 2x Pushbutton switches, all 2pin: reset Pots, 3-pin: - Glide In - ~27K to U3-8? No, transistors maybe activate? - Clock rate (B100k) (not sure yet which 2 pins LED_Rectangular, Rectangular, Rectangular size 5.0x2.0mm^2 z-position of LED center 1.0mm, 2 pins Ceramic Resomator/Filter 6.0x3.0mm^2, length*width=6.0x3.0mm^2 package, package length=7.0mm, package width=2.5mm, 3 pins LED, diameter 10.0mm, 2 pins, Rectangular size 3.3x2.4mm^2 diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 6.0mm 2 pins diameter 5.0mm z-position of LED center 2.0mm, 2 pins, diameter 5.0mm z-position of LED center 1.0mm, 2 pins diameter 5.0mm z-position of LED center 1.0mm 2 pins LED, diameter 3.0mm z-position of LED center 1.0mm 2 pins LED, diameter 3.0mm z-position of LED center 2.0mm 2 pins LED, diameter 5.0mm, 2 pins, Rectangular size 3.3x2.4mm^2 diameter 1.8mm, hole diameter 1.3mm, hole diameter 1.0mm test point SMD pad rectangle square SMD pads Net tie, 4 pin, 0.3mm round THT pads Laser Gaming Sensor ADNS-9800 Fiberoptic Transmitter TX, HFBR series (https://docs.broadcom.com/docs/AV02-3283EN TSL2550 ambient light sensor, i2c interface, 6-pin chipled package, http://optoelectronics.liteon.com/upload/download/DS86-2013-0004/LTR-303ALS-01_DS_V1.pdf Optoisolator with LED and photoresistor 3 Lead Plastic Package OnSemi CASE 100CY, light-direction upwards, see http://www.kodenshi.co.jp/products/pdf/sensor/photointerrupter_ref/SG-105.pdf Laser Diode, TO-38-ICut, 3pin Laser Diode, TO-56, 3pin lightpipe triple tower right angle 3mm lightpipe dual tower right angle 3mm spherical light pipe 1 way 3mm PhotoDiode, plastic SMD SmatDIL PhotoDiode plastic SMD DIL, 4.5x4mm² PhotoDiode plastic SMD DIL, 4.5x4mm, area: 2.2x2.2mm, https://dammedia.osram.info/media/resource/hires/osram-dam-5989350/BP%20104%20FAS_EN.pdf PhotoDiode, plastic SMD DIL, 4.5x4mm, area: 2.65x2.65mm, https://dammedia.osram.info/media/resource/hires/osram-dam-5467146/SFH%202440_EN.pdf DFN, 6 Pin (https://www.diodes.com/assets/Package-Files/U-DFN2020-6%20(Type%20C).pdf), generated with kicad-footprint-generator JST.

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