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stc8a8k minimal system board

Overview

Power supply: preferably within 10V (depending on the withstand voltage of the capacitor and voltage stabilizing chip)
main control: stc8a8k64s4a12, uln2003a
oled screen: spi interface
download method: supports USB download, it is recommended to download the USB to TTL module.
Note: To use the reset switch, uncheck the reset pin for IO in stc-isp when downloading.
Other: the back OLED module does not need to be welded, no impact. Perforated boards can be inserted. Can directly drive stepper motors, relays, etc. (please understand the working principle of uln2003 in advance).

Design Files

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Update:2025-06-23 08:51:50

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