Browser not supported.
This tool requires Google Chrome or Microsoft Edge (v89+). Firefox and Safari do not support Web Serial.

Tally Arbiter

ESP Web Flasher — v1.1
1
Configure
2
Flash
3
Send Config
4
Done
// 00 — Board Type
ESP32 DevKit — 30/38 pin board. Use BOOT + EN/RST to enter flash mode if needed.
// 01 — WiFi Network
2.4 GHz only — ESP devices do not support 5 GHz.
Use Static IP
// 02 — Tally Arbiter Server
Shown in the TA Listeners panel. Leave blank to auto-generate from chip ID.
CUT BUS — Program + Preview shows Red only
// 03 — LED Hardware
LED Type
Two separate LEDs, each with a 220Ω resistor to GND.

TALLY ARBITER ESP FLASHER — OPEN SOURCE — REQUIRES CHROME / EDGE

Tally Arbiter

ESP Web Flasher — v1.1
Configure
2
Flash
3
Send Config
4
Done
// Flash Firmware
Plug your ESP32 in via USB, then click the button below.
If it hangs at "Connecting…" hold the BOOT button on your ESP32 while clicking, release when it starts.
Status Ready
0%
// Ready — click the button above to flash your ESP32.
⚙  Advanced Options
// Recovery & Config Tools
Use these if you are recovering a broken device or updating settings without reflashing.
Send Config Only — sends WiFi & TA settings to a device already running the firmware.
Erase Flash Only — wipes everything. Use when stuck in a reboot loop.
Erase + Flash Fresh — full chip erase then reflash from scratch.

Tally Arbiter

ESP Web Flasher — v1.1
Configure
Flash
3
Send Config
4
Done
// Send Config to Device
Click Send Config, select the port, then immediately press EN/RST on the ESP32.
The config is sent as the device boots — timing matters.
WiFi
TA Server
Listener
// Waiting — click the button above to send config.

Tally Arbiter

ESP Web Flasher — v1.1
Configure
Flash
Send Config
4
Done
Device Ready
Your ESP32 tally listener is flashed and configured.
WiFi Network
Tally Arbiter
Listener Name
LED Type
LED status:
Alternating Red/Green = connecting to WiFi
Solid Green = connected to Tally Arbiter and listening
// Live Serial Output

Connect the serial monitor to watch your device boot and join the network. Press EN/RST on the ESP32 to trigger a fresh boot log.

Disconnected
// Connect to see live device output.

Tally Arbiter

ESP Web Flasher — v1.1
// Serial Monitor

Connect your ESP32 via USB and press EN/RST to see its boot log, IP address, and live status output.

Disconnected
// Connect your device and press EN/RST to see output.