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Post by lbrutti on Dec 6, 2020 12:47:19 GMT -8
Thanks for the reply, but why do they all seem to be connected to positive lead of JST connector?
Testing them with multimeter, it beeps when I touch JST+/CAP- and JST+/CAP+...
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Post by lbrutti on Dec 6, 2020 3:10:29 GMT -8
Hello everyone,
I need to connect multiple solar panels but, unfortunately, there is no time to buy multiple solar panel board...
So I did my self a circuit with diodes in parallel to connect them.
The problem is that the sunairplus board doesn't expose contacts to bypass the JST connector: i only found pads in picture but seems like + JST lead is connected to all of them.
Is there a GND lead i can use to connect my DIY board apart from those exposed as solderless jumpers?
Thanks
Attachments:
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Post by lbrutti on Aug 27, 2020 23:54:33 GMT -8
If anyone is interested, I’ll upload the STLs and CAD files for the 8 panel frame. Hello Kevin, I'd love to print your solar panel stand! could you please attach the files?
Which tool could i use to modify them? in my current setup i'm testing 4 panels.
Thanks!
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Post by lbrutti on Jul 22, 2020 14:16:57 GMT -8
Thank you for confirming! Thank you for confirming! Hello, what does this led blinking means: What does this flashing means? When I turn off the switch, green led stays on. The board is plugged into a 2.5 A power supply and the Arduino set up shown on breadboard is powered by the board trough the usb connector. Lipo battery is 1600 mAh. No solar panels attached. Thanks
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Post by lbrutti on Dec 27, 2017 3:16:52 GMT -8
hello, FYI the exception hasn't occurred so far... have nice holidays!
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Post by lbrutti on Dec 21, 2017 15:52:39 GMT -8
Hello SDL, thanks for the reply.
"1) Does the light on the USB PowerControl board showing the USB Power On light up and turn off appropriately?"
Yes, i also tested the board by plugging in an USB LED lamp and it turns on and off regularly.
"If you don't reset the USB Bus (just power it on normally using the GPIO pins on USB PowerControl) can you access the Dongle?" No, it doesn't show up in lsusb...
For the moment i bypassed the board completely and i'll keep an eye on energy consumption...
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Post by lbrutti on Dec 20, 2017 8:50:07 GMT -8
Hello, i got this error too. Any news about bug fixing? I empirically removed the led blinkning part in def sampleSunAirPlus(): # blink GPIO LED when it's run # GPIO.setup(SUNAIRLED, GPIO.OUT) # GPIO.output(SUNAIRLED, True) # time.sleep(0.2) # GPIO.output(SUNAIRLED, False)
and somehow the exception has gone... Magic?
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Post by lbrutti on Dec 10, 2017 5:35:03 GMT -8
Hello support I built a fork of GroveWeather PI with some additional sensors and umts connectivity and I'm having an issue connecting to the internet with sakig3g when the usb modem is plugged through the USB Power Control: Sakis 3g connects with now problem when USB Dongle is connected directly to rpi. In order to reboot the modem I do the following steps: - Init:
#UMTS key USB power management UMTS_POWER_CONTROL_ENABLE_PIN = 6 UMTS_POWER_CONTROL_CONTROL_PIN = 12
#turn off UMTS key GPIO.setup(UMTS_POWER_CONTROL_ENABLE_PIN, GPIO.OUT, initial=True) GPIO.setup(UMTS_POWER_CONTROL_CONTROL_PIN, GPIO.OUT, initial=False)
- Power On Dongle:
GPIO.output(UMTS_POWER_CONTROL_CONTROL_PIN, True)
- Reset USB bus to reboot dongle:
subprocess.call(['sudo','bash',"../bash/resetUsb.sh"])
../bash/resetUsb.sh contents:
# Raspberry Pi 1 running Raspbian Wheezy FILE=/sys/devices/platform/bcm2708_usb/buspower if [ ! -e $FILE ]; then # Raspberry Pi 2 running Raspbian Jessie FILE=/sys/devices/platform/soc/3f980000.usb/buspower fi if [ ! -e $FILE ]; then # Raspberry Pi 1 running Raspbian Jessie FILE=/sys/devices/platform/soc/20980000.usb/buspower fi if [ -e $FILE ]; then echo "Power-cycling USB to fix dead stick" sleep 0.1 echo 0 > $FILE sleep 1 echo 1 > $FILE sleep 2 else echo "Could not find a known USB power control device. Checking /sys/devices/platform/:" find /sys/devices/platform/* | grep buspower fi - Call Sakis Connect:
subprocess.call(['sudo','bash',"../bash/sakisConnect.sh"]) content of sakisConnect.sh:
#!/bin/bash cd /home/unive/umtskeeper sudo ./sakis3g --console --pppd connect APN="MY_ACTUAL_APN" USBDRIVER="option" USBMODEM="12d1:1506" OTHER="USBMODEM" MODEM="OTHER"
Calling steps 3 and 4 from python when USB Dongle is directly plugged to RPI ends up in correct connection, when there's the USB Power Control Board it doesn't.
By comparing sakis logs it seems like that AT commands do not reach the dongle:
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Post by lbrutti on Sept 22, 2017 13:30:10 GMT -8
Dear all, I recently got 5 Groveweather Pi for accademic use. When I assembled the first kit I noticed an inconsistency between the number of short Grove cables included (5 + 1 in hub package) and listed in the BOM wrt the wiring list (8 short Grove cables are needed : www.switchdoc.com/2016/08/tutorial-part-6-building-a-solar-powered-raspberry-pi-weather-station-groveweatherpi/ ). To finish the assembly i had to take two cables from another kit. My question is : is the wiring list out dated or does the shipped kits miss two cables? See attachement for kits' packing slip. Thanks
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