Is there a red light on the ESP-01? Try disconnecting everything but 3.3V and GND. If the ESP-01 works with just +3.3V and GND (Pins 1 & 8), connect (TX pin 2), and test again, then RX (pin 7), then GPIO2 (pin 3). If the blue LED is lit, but it is faint or it … Continue reading I’m suspecting hardware issues with my ESP-01 WiFi board, how can I check this?
Trying to upload a sketch over WiFi, gives me the following error: “avrdude: stk500_recv(): programmer is not responding Avrdude: stk500_getsync() attempt x of y: nt in sync: resp=0x00”
The errors you are getting when the upload failed typically occur when the IDE can't connect to the ESP-01. Some of the reasons this may happen are: ESP-01 is not powered on. ESP-01 is not connected to WiFi (wrong SSID/password, too far away from router) - Invalid SSL certificate or incorrectly installed Certificate Authority. Failure … Continue reading Trying to upload a sketch over WiFi, gives me the following error: “avrdude: stk500_recv(): programmer is not responding Avrdude: stk500_getsync() attempt x of y: nt in sync: resp=0x00”
It seems I’m still having connection issues. Possibly related to the CA Certificate?
The following list might solve the Certificate issues: Make sure the Root Certificate is installed properly! Follow the steps outlined on our resources webpage. If your ESP-01 is connected to your local WiFi, it should automatically acquire a proper SSL certificate. Another alternative is to find the IP address of the ESP-01 on your network … Continue reading It seems I’m still having connection issues. Possibly related to the CA Certificate?
I can access the ESP-01 WiFi board at it’s own local IP address, but I’m having issues connecting to it over my local WiFi (http[s]://yourelegoo.local and/or local WiFi IP address.
This can be caused due to several reasons. Any connection issues related to the http[s]://yourelegoo.local is usually caused by mDNS (MultiCast DNS) not working properly on your local WiFi router or due to a local firewall. Here are some pointers you might want to consider: Local WiFi network needs to be set to public (not … Continue reading I can access the ESP-01 WiFi board at it’s own local IP address, but I’m having issues connecting to it over my local WiFi (http[s]://yourelegoo.local and/or local WiFi IP address.
What firmware should I be running? Where can I tell what firmware I have and how can I enforce an update if there is an issue?
The current firmware version is 0.9.9 (latest version can be found on the website). You can check the firmware version on your ESP-01 on the admin webpage found at https://tcp2elegoo.local/ (kit default) https://yourelegoo.local/ (yourelegoo is the name you gave your ESP-01, if you changed it) or https://ip-address/ (given by your router, e.g. 192.168.1.33). You can … Continue reading What firmware should I be running? Where can I tell what firmware I have and how can I enforce an update if there is an issue?