Instructions for flashing ESP8266

README.md

@@ -15,3 +15,14 @@ Some KiCad screenshots:
 
 <img src="nixiesp.png"/>
 
+
+##Install
+
+Boot ESP8266 with program pin held low and flash MicroPython:
+
+```bash
+esptool.py --port /dev/ttyUSB0 --baud 460800 erase_flash
+esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=detect 0 esp8266-20170612-v1.9.1.bin 
+```
+
+Upload main.py and boot.py and adjust network configuration in boot.py accordingly.

boot.py

@@ -8,26 +8,11 @@ import network
 sta_if = network.WLAN(network.STA_IF)
 sta_if.active(True)
 sta_if.connect("Robootikaklubi", "u4HNj3sgYK")
-print("Copy paste following to WebREPL client:")
-print("ws://%s:8266/" % sta_if.ifconfig()[0])
 
 # Synchronize clock
 import ntptime
 ntptime.settime()
 
-# Start WebREPL server
-import webrepl
-webrepl.start(password="salakala")
-
-# Derive hostname
-import ubinascii
-MAC_SUFFIX=ubinascii.hexlify(sta_if.config("mac")[-3:])
-HOSTNAME="ESP_%s" % MAC_SUFFIX.decode("ascii").upper()
-
-# Perform HTTP POST request
-#import urequests
-#urequests.post("http://sumo.koodur.com/pub/", data=HOSTNAME)
-
 # Clean up
 import gc
 gc.collect()