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sirlilpanda commented on issue sirlilpanda/esp32-racer#2 2026-03-09 23:18:13 -07:00
U4 and U7 can use the same UVLO network

they could however, one buck runs at 8 volts and one runs at 5, i would perfer to have a cut off higher for the 8 volt one so that the racer can still report back that it has reached a low enough…

sirlilpanda closed issue sirlilpanda/esp32-racer#3 2026-03-09 23:15:31 -07:00
U2 could be replaced with a single-side BJT or FET switch
sirlilpanda commented on issue sirlilpanda/esp32-racer#3 2026-03-09 23:15:31 -07:00
U2 could be replaced with a single-side BJT or FET switch

could do, however the main reason for it was bom consolation as 2 are already being used for an i2c and uart buffer so another would only add an extra 20c to the bom cost

sirlilpanda commented on issue sirlilpanda/esp32-racer#4 2026-03-09 23:13:22 -07:00
Be wary of Q18's gate capacitance

thats for the real world to tell me the real value of it

sirlilpanda commented on issue sirlilpanda/esp32-racer#5 2026-03-09 23:12:29 -07:00
General comments

  1. check link to falstad sim below the fet, this is just a protection diode that should stop the fet from blowing up when turning on and off juice from the battery

  2. :)

  3. yeah yeah yeah,…

sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-09 00:45:05 -07:00
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da9849d7ee motor drivers are now pair to one power switch instead of all of them on one
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sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-09 00:40:02 -07:00
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dee1349cf0 re annotated
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sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-08 18:55:48 -07:00
8a95f813b5 moved from POWER sch
5b65c01c9d moved power connectors to their own sheet and added a buck for 6v
46e6403bef now shows what should be connected to the mcu
2148076fa8 servo interface can now either run off 5v or 6v
f3cd13f19f added addtional temp ic and an adc for current sensing of the motor driver and temp sensing of the motors themsleves
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sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-08 15:15:05 -07:00
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aa348b1b03 fixed external interfaces devices sheet file path
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sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-08 15:13:46 -07:00
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sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-08 15:12:56 -07:00
86df2a95ae now tracks new sheets
e06ca3d4de started to connect blocks together
c2268a9eb3 re annoated symbols
e94a3ff2dc added buffers and level shifters for routing i2c and uart off board as well as connection for 4 servo motors to be added
1fa287dd6b changed usb to be bidirection rather than input on the label
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sirlilpanda pushed to main at sirlilpanda/the-shrimpt-keyboard 2026-03-08 14:47:15 -07:00
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sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-08 13:34:10 -07:00
e6476ea6e2 wip
sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-04 20:49:47 -08:00
241162bffc now has power and removed usb pd
7ae87d6268 added autogened kicad files to the gitignore
367fcb9bc2 power switch comp added
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sirlilpanda pushed to main at sirlilpanda/esp32-racer 2026-03-03 13:41:28 -08:00
ec0f9e96fc init
sirlilpanda created repository sirlilpanda/esp32-racer 2026-03-03 00:59:20 -08:00
sirlilpanda pushed to main at sirlilpanda/terminal_tetris 2026-03-01 11:09:25 -08:00
cdd88973dc init
sirlilpanda created branch main in sirlilpanda/terminal_tetris 2026-03-01 11:09:25 -08:00
sirlilpanda created repository sirlilpanda/terminal_tetris 2026-03-01 11:07:39 -08:00
sirlilpanda pushed to master at sirlilpanda/openscad_parameteric_IDT_creat… 2026-02-25 14:23:18 -08:00
9f4ce14d35 fixed feature size