isbeichen/sesame

Alice type ergo keyboard using only THT parts

Sesame

Alice like ergo keyboard using only THT parts

Partslist

Count	Part	Reference	LCSC Part #
1	ATmega32A 40 pin DIP (32L works too)	U1	C12703
1	40 pin DIP socket (optional but highly recommended)	U1	C2332
1	USB4085-GF-A USB Type-C socket	USB1
1	500 mA polyfuse	F1	C207122
2	6mm momentary push buttons	Boot,Reset	C620202
1	16 MHz quartz crystal	XTAL1	C16212
1	4.7 uF electrolytic capacitor	C1	C47879
2	100 nF ceramic disk capacitor	C2,C3	C254092
2	22 pF ceramic disk capacitor	C4,C5	C254096
1	1.5 kΩ resistor	R1	C58620
2	68 Ω resistor	R2,R3	C714279
2	5.1 kΩ resistor	R4,R5	C714593
1	10 kΩ resistor	R6	C119347
2	3.6 V zener diode (DO-35 BZX55C3V6)	D1,D2	C2508
66	universal switching diode (DO-35 1N4148)	D3-D68	C14516

The USB port can be found here:
https://www.digikey.com/en/products/detail/gct/USB4085-GF-A/9859733

---

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.