https://github.com/bgamari/solar-charger

A solar-powered battery charger and power supply
https://github.com/bgamari/solar-charger

Last synced: over 1 year ago
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A solar-powered battery charger and power supply

• Host: GitHub
• URL: https://github.com/bgamari/solar-charger
• Owner: bgamari
• License: other
• Created: 2013-05-22T20:24:04.000Z (about 13 years ago)
• Default Branch: master
• Last Pushed: 2013-07-25T01:58:51.000Z (almost 13 years ago)
• Last Synced: 2025-03-20T05:36:04.165Z (over 1 year ago)
• Language: C
• Size: 598 KB
• Stars: 2
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.mkd
  • License: LICENSE

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README

          
# solar charger

## issues

 * smaller, lower power, cheaper MOSFETs?

 * monitor input voltage?

 * not enough ponies?

## pin usage

  pin      mode     signal       name              description

  ----     -----    -------      ------------      -------------

  `PA0`    out      `PA0`        `LED7`            indicator LED

  `PA3`    analog   `ADC_IN3`    `ISENSE1`         current sense input

  `PA4`    analog   `ADC_IN4`    `VSENSE1`         voltage sense input

  `PA5`    out      `PA5`        `VSENSE1_EN`      voltage sense enable

  `PA6`    af2      `TIM3_CH1`   `CH2_BATT_IN`     switch PWM

  `PB0`    af2      `TIM3_CH3`   `CH2_PANEL_IN`    switch PWM

  `PB10`   af1      `TIM2_CH3`   `CH1_IN_A`        switch PWM

  `PB12`   analog   `ADC_IN18`   `VTH`             thermistor input

  `PB14`   analog   `ADC_IN20`   `ISENSE2`         current sense input

  `PB15`   analog   `ADC_IN21`   `VSENSE2`         voltage sense input

  `PA8`    in       `PA8`        `BTN3`            button input

  `PA9`    af7      `USART1_TX`  `UART_TX`         UART TX

  `PA10`   af7      `USART1_RX`  `UART_RX`         UART RX

  `PA11`   in       `PA11`       `BTN2`            button input

  `PA12`   in       `PA12`       `BTN3`            button input

  `PA13`   jtag     `JTMS`       `JTMS`            JTAG

  `PA14`   jtag     `JTCK`       `JTCK`            JTAG

  `PA15`   jtag     `JTDI`       `JTDI`            JTAG

  `PB3`    jtag     `JTDO`       `JTDO`            JTAG

  `PB4`    jtag     `nJRST`      `nJRST`           JTAG

  `PB5`    out      `PB4`        `LED_EN`          LED driver enable

  `PB6`    af4      `I2C1_SCL`   `SCL`             LED driver interface

  `PB7`    af4      `I2C1_SDA`   `SDA`             LED driver interface

  `PB8`    af2      `TIM4_CH3`   `CH1_IN_B`        switch PWM