Difference between revisions of "BoSL Board v0.5"

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== 2023 September 28 ==
 
== 2023 September 28 ==
  
The BoSL board rev 0.5 arrived and its time to test how it works. Lets jump into it!
+
The BoSL board rev 0.5.0 arrived and its time to test how it works. Lets jump into it!
  
 
Straight out of the packet:
 
Straight out of the packet:

Revision as of 12:12, 28 September 2023

2023 September 28

The BoSL board rev 0.5.0 arrived and its time to test how it works. Lets jump into it!

Straight out of the packet:

  • Plugging in a battery the idle current 840 µA.
  • Touching a screw driver to the F1 TEST pad lights up the test LED.
  • When the WDT_EN jumper is closed the current jumps up to ~10 mA. This seems appropriate, if it enables the voltage on VPP.

From now on WDT_EN will be closed

  • Voltage is good on 3V3 and VBAT. Measured (3.370V and 3.941V respectively).
  • The bootloader could be programmed using the normal process of Arduino as ISP. Specifically I used the [[1]] board library and selected the ATmega640 board. I then used BOD: 2.7V, bootloader: yes UART0, clock: external 8MHz, EEPROM: EEPROM retain, compiler LTO: LTO disabled, pinout: AVR pinout.
  • Idle current now 18 mA.
  • I then plugged in the board via USB and it was recognised as a serial port.


Errors:

  1. WDT_EN is not the correct name for the jumper as the WDT is disabled when closed. It should be not WDT_EN