SonicTS/garage-projectA project that contains code and bash commands for creating a mitm attack on an android app
Garage controller esp8266 is an open-source printed circuit board by SonicTS, from the SonicTS/garage-project repository on GitHub. It is a 2-layer board of 100 × 100 mm with 39 parts on 57 nets, routed with 249 tracks and 0 vias.
It is built around the LTV-817 and SP0502BAJTG. Its parts include 20 resistors, 7 capacitors, 4 diodes, 3 ICs and 3 transistors. It belongs with the ESP8266 boards of this library.
A DIY setup that routes the HTTPS traffic of one Android app ("Blaulicht") through a self-hosted mitmproxy. When a specific flow pattern is detected, the mitmproxy addon publishes an MQTT command to a local Mosquitto broker (TLS + auth). An ESP8266 subscribed to that topic pulses a relay to open the garage.
This repo includes: Android per-app VPN client, a mitmproxy addon with MQTT publishing, ESP8266 RTOS-based firmware with MQTT over TLS, and infrastructure templates (systemd, firewall, MQTT broker hardening). Intended for experimentation and learning.
[Blaulicht app]
|
v
Android per-app VPN (VpnService + tun2socks) → SOCKS5 → mitmproxy --(MQTT/TLS publish)--> Mosquitto → ESP8266 → relay
^ TLS intercept (trusted CA) ^ TLS + auth (garage door)open to garage/cmd over TLS to Mosquitto on 8883.MQTT_HOST, MQTT_USER/PASS, TRIGGER_*). See infra/systemd/mitmproxy.service./etc/mosquitto/passwd, and minimal permissions. See docs/setup-mqtt-broker.md.garage/cmd, and publishes garage/status. Embed the CA in lib/mqtt/src/mqtt.c.docs/setup-mqtt-broker.md.docs/setup-server-ubuntu.md.esp8266/Garage-Controller in PlatformIO. Set Wi‑Fi + MQTT config (including CA). Build and flash.Security note: Use strong per-client credentials. Keep the broker LAN-only or restricted. Self-signed CA is fine for local deployments; keep the private key secure.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7, R8, R9, R10, R12 |
| 6 | 330R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11, R14, R15, R17, R19, R20 |
| 5 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C4, C5, C6, C7 |
| 3 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13, R16, R18 |
| 3 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3 |
| 3 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3 |
| 2 | SP0502BAJT | Package_TO_SOT_SMD:SOT-323_SC-70 | D3, D4 |
| 1 | 0 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 1N5819 | Diode_SMD:D_SOD-123 | D2 |
| 1 | 220uF | Capacitor_SMD:CP_Elec_10x12.5 | C3 |
| 1 | 3k3 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R5 |
| 1 | Conn_01x03_Socket | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J2 |
| 1 | Connections | Connector_PinSocket_2.54mm:PinSocket_1x09_P2.54mm_Vertical | J1 |
| 1 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | LTV-817 | Package_DIP:DIP-4_W7.62mm | U3 |
| 1 | MCP23017_SO | Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm | U2 |
| 1 | Wemos D1 mini connector | Library:Wemos D1 mini connectort | U1 |
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
39 parts, built around the LTV-817 and SP0502BAJTG. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the SonicTS/garage-project repository on GitHub, at the commit this page was made from: the board is pcb/garage_controller_esp8266/garage_controller_esp8266.kicad_pcb and its schematic pcb/garage_controller_esp8266/garage_controller_esp8266.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask SonicTS before reusing the design.
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