Dustin Watts developed FreeTouchDeck software to interface with Windows, macOS, Linux computers and boards over Bluetooth LE using an ESP32 board connected to a touchscreen display. So far, he used off-the-shelf parts, but he has now decided to create his own hardware with ESP32 TouchDown open-source hardware board equipped with a 480×320 TFT display. ESP32 TouchDown specifications: Wireless Module – ESP32-WROOM-32D with ESP32 dual-core WiFi & Bluetooth processor, 4MB flash, PCB antenna Display – 3.5-inch 480*320 TFT screen based on ILI9488 driver connected over SPI mode, plus FT6236 Capacitive Touch Controller Storage – MicroSD card reader USB – 1x USB-C port Expansion Header with I2C, SPI, 7x GPIO, 3.3V and GND Stemma / JST-PH I2C connector Debugging – CP2102 USB-to-UART IC Misc – Piezo speaker, Power & Charge LEDs, on/off switch, boot and reset buttons, Power Supply 5V via USB-C 2-pin JST connector for battery APK2112 3.3V regulator MCP73831 battery management IC Battery voltage divider connected to GPIO35 OSHWA certification […]
M5Stack has just launched an upgrade to its M5Stack Core development with M5Stack Core2 based on the same Espressif ESP32 WiFI + Bluetooth SoC, but adding capacitive touchscreen support to the 2-inch TFT LCD, as well as a motion sensor and a microphone. The new version also adds 8MB PSRAM, a larger 390 mAh battery, and targets IoT terminals for Smart Home, industrial automation or robotics, STEM Education, and DIY prototyping. M5Stack Core2 specifications: SoC – Espressif ESP32-D0WD-V3 dual-core Xtensa LX6 processor clocked at up to 240MHz with 520KB SRAM, Wi-Fi, and dual-mode Bluetooth connectivity External Memory – 8MB PSRAM Storage – 16MB flash storage, MicroSD card slot up to 16GB Display – 2-inch IPS LCD screen with 320×240 resolution (ILI9342C driver), and touchscreen support (via FT6336U controller) Audio – 1W speaker (1W-0928), SPM4123 microphone, NS4168 I2S power amplifier Antenna – 2.4GHz 3D antenna USB – 1x USB Type-C port for power and programming via CP2104 chip Sensors – 6-axis […]
While portable displays have been available as far back as at least 2012, they’ve become more popular in recent years as they can both offer a secondary display to your laptop, or add a larger screen to your smartphone. In the last two years, we’ve already covered BlitzWolf BW-PCM1, T-bao T15A, TAIHE Gemini (which ended up being a failure), Airview, and Desklab among others. But apparently, there’s room for more with the launch of AirTab, a 15.6″ portable touchscreen or non-touch monitor, on Kickstarter that’s already surpassed its $10,000 funding target. AirTab specifications: 15.6″ display with 1920×1080 resolution up to 60 Hz refresh rate; 4ms response time; 256 cd/m2 brightness Touchscreen – Air Touch model only USB – 2x USB-C ports Power Supply – Dimensions – 335 x 245 x 4.9 mm Weight – 500 grams AirTab comes with a foldable magnetic cover that allows the display to be used in landscape mode, portrait mode, and “creation” mode. The company […]
Earlier this year, we wrote about HiGole F11APL mini PC with a built-in 11.6″ touchscreen, an Intel Celeron N3450 Apollo Lake processor combined with 4GB RAM and 64GB eMMC flash storage, and equipped with four DB9 connectors exposing RS-485/RS-232 interfaces. At the time, the company would offer the “basic version” for $199 on their Alibaba store, but now GOLE has launched the device under the name Gole11 on Indiegogo where rewards start at $119 (there was a $99 reward, but all perks are gone) HiGole F11APL / Gole11 specification: SoC – Intel Celeron N3450 quad-core Apollo Lake processor @ 1.1 GHz / 2.2 GHz (Turbo) and 12 EU Intel HD Graphics 500 @ 200 MHz / 700 MHz (Turbo); 6W TDP System Memory – 4GB LPDDR4 Storage – 64 GB eMMC flash, micro SD slot up to 256 GB Display – 11.6″ capacitive touchscreen display with 1920 x 1080 (FHD) resolution; 5-point touch Video Output – HDMI 1.4 port up […]
We’ve already seen a fair amount of portable displays launched in recent years which are often supposed to be brought along with your laptop or smartphone, including DUO add-on display, TAIHE Gemini 15.6″ FullHD/4K display, and the low-cost BlitzWolf BW-PCM1 11.6″ display among many others. Another option is Desklab 15.6″ portable display available either in Full HD or 4K resolution and which comes with stereo speakers in a similar fashion to the TAIHE model but with different ports, and no battery. Desklab key features and specifications: Display 15.6″ IPS touchscreen display with FullHD (1920×1080) or 4K (3840×2160) resolution 10ms response time 400 cd/m2 luminance 183° viewing angles Ports mini HDMI input 2x USB typ-C ports 3.5mm audio jack Micro USB port Audio – Stereo speakers Misc – Power button, volume rocker Battery – None, used the host battery Thickness – ~0.6 cm Weight – 595 grams Since the display comes with both HDMI and USB-C ports it can support most […]
There are plenty of small touch screen displays for Raspberry Pi board, including the official 7″ display that connects to the board’s MIPI DSI connector. Some people may prefer getting a small HDMI display however, as it can be used with most devices with an HDMI input port, and the touch screen function may be achieved over USB, I2C or SPI depending on the design. Elecrow has just launched a new 5″ HDMI display with resistive touch screen designed for the Raspberry Pi boards, and whose main feature is to support backlight control over GPIO 11 in order to lower power consumption according to the announcement tweet from the company. Specifications for RPD19048A display: Screen – 5″ TFT resistive touch screen display with 800×480 resolution @ 60 Hz; LCD Driver IC – Display Future ILI9486L (Likely wrong as this only supports 480×320 resolution) Touch controller – XPT2046 4-wire resistive touch controller Video Input – HDMI Power Supply – 5V/1A […]
There are plenty of HDMI displays, but if you want a smaller size it become more complicated although some 7″ HDMI displays are available. However, if you want to add touchscreen support, then the choice becomes even more scarce, especially if you want a neatly packaged solution. That’s why DFRobot’s 7″ HDMI display with a 5-point touchscreen may be interesting, and as a bonus it also features mounting holes for Arduino & Raspberry Pi boards. Specifications: Display – 7″ display with 1024×600 resolution @ 43 Hz (60Hz is possible, but not recommended as it will not be full screen) Interfaces – HDMI input for video, micro USB port for touchscreen Voltage & current – 5V @ 160 mA with HDMI connection (1.2A max) Dimensions – 183 x 100mm; mounting hole size: 3.1 x 6mm Weight – 328g Despite the 1.2A maximum current, the company claims an external power supply is not needed for the display, and one can simply use […]
If your project requires a touch panel, there are plenty of solutions for Raspberry Pi and ODROID boards, with Hardkernel even selling ODROID-VU8C fully integrated touch panel display. However, most display kits require you to make your own case, and feature smaller displays with lower resolution. One developer has however come up with Diskio Pi, a higher-end touch panel kit with a 13.3″ Full HD display that works with the most popular Raspberry Pi and ODROID boards. Diskio Pi specifications: Display – 13.3″ AUO TFT IPS display with 1920×1080 resolution connected via a 30-pin eDP connector ; 330 cd/m2 brightness; 85° viewing angles in all directions. Touch panel – 10-point capacitive touch; G/G structure; USB 2.0 interface; ≥6H surface hardness. Main board: HDMI to eDP driver Stereo sound amplifier USB 2.0 hub with 3x ports: 2x external + 1x internal Battery balance circuit (3S/3S2P) Expansion – Various headers for prototyping (RJ45, USB…) Misc – Left & right mouse buttons (home […]
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