Embedded Helper - Dev Tools
DONGSOO LEE Developer Tools iPhoneiPadiPod touch
Embedded Helper - Dev Tools is a free Developer Tools app for iPhone and iPad by DONGSOO LEE. Requires iOS 15.0. Updated October 22, 2026.
- Price
- Free
- on the App Store
- Size
- 60 MB
- Age 4+
- Updated
- Oct 22
- 2026 · v1.0.5
Screenshots
About Embedded Helper - Dev Tools
Embedded Helper is designed to boost the productivity of firmware developers and MCU engineers. Access pinout references instantly and generate C code automatically. [Key Features] 1. Arduino Pinout Reference - Instantly check pin diagrams for most popular Arduino boards (Uno, Nano, Mega, etc.). - No need to search the web for pin maps every time. 2. C Code Generator - JSON to C Struct: Instantly convert JSON data into ready-to-use C structures. 3. Display & Font Tools - Dot Matrix Editor: Draw icons or fonts on a grid and generate C arrays (Hex/Bin) for your GLCD/OLED drivers. 4. Color Converter - RGB888 to RGB565: Convert standard color codes to 16-bit formats used in TFT LCDs. 5. Number System Converter - Real-time conversion between HEX, BIN, and DEC. - Visualize bit-level data efficiently.
What’s new
Version 1.0.5 · Updated October 22, 2026
[Device Support & Improvements] - iPhone Duo Support: When unfolded, the board list, tools, bottom tabs and ad banner now stay clear of the side control bar, and the board cards fit the wider screen. - Landscape mode: You can now use the app in landscape on unfolded iPhone Duo and iPad. - Fixed an issue where the ad banner could fail to appear on unfolded iPhone Duo. - Content now stays clear of the notch, camera cutout and system bars, so nothing is hidden at the screen edges. - Minor bug fixes and performance optimizations.
App privacy
The developer, DONGSOO LEE, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Purchases: Purchase History
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Purchases: Purchase History
- Diagnostics: Crash Data, Performance Data
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to Embedded Helper - Dev Tools
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DevTools+: Dev Tools & Code
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Embedded Helper - Dev Tools | – | Free | October 22, 2026 | |
| Linea Agents | – | Free | Jul 8, 2026 | Compare |
| DevBuddy Dev Tools | – | Free | Mar 24, 2026 | Compare |
| JSONDoc | 5.0 / 5 (1) | Free | Sep 24, 2026 | Compare |
| Anvil - Dev Toolset | 5.0 / 5 (1) | Free | Sep 2, 2026 | Compare |
| Syncode - AI Coding Tool | – | Free | Mar 27, 2026 | Compare |
| DevTools+: Dev Tools & Code | – | Free | Sep 9, 2026 | Compare |