MC800S: Anjoy SSC338Q + IMX415 camera module, two boards (sensor board on FPC), with SPI NAND on older and NOR flash on newer revisions Chip and memory - SoC is SigmaStar SSC338Q (https://t.me/c/1809358416/290764, https://t.me/c/1809358416/78892, https://t.me/c/1166652144/19487) - Measured: the boot log shows "fdt:Machine model: INFINITY6E SSC012B-S01A" (https://t.me/c/1166652144/19514) - Single-core Dhrystone of 1695 DMIPS (SSC30KQ: 830 for comparison); Tino notes the numbers may be affected by over/underclocking (https://t.me/c/1809358416/231166, https://t.me/c/1809358416/141148, https://t.me/c/1809358416/133287) Sensor - Sony IMX415, 1/2.7" (https://t.me/c/1809358416/289873, https://t.me/c/1809358416/73182, https://t.me/c/1166652144/19487) - Tino lists it as "20fps" with the IMX415 (https://t.me/c/1166652144/77773) - Device tree read of csi_sr0_lane_num "looks like it could be 4" (4-lane MIPI CSI), "at least on MC800S and K45 - same result" (https://t.me/c/1809358416/60946) Flash and storage - 2021-09 unit: GD5F1GQ5xExxG, "1G-bit SLC SPI NAND in WSON" (https://t.me/c/1166652144/19487) - Measured stock NAND MTD table: 12 partitions from IPL0 to "UBI", ending at 0x8000000 (128 MB) (https://t.me/c/1166652144/77958) - Flash type depends on revision: "old MC800S V2.{0,1} is mostly NAND, while MC800S - V3 (even with V2.1 on board) is NOR"; "newer MC800S models are usually NOR. older models are NAND" (https://t.me/c/1809358416/113080, https://t.me/c/1809358416/60201, https://t.me/c/1809358416/31632) - Tino's MC800S-V3 has NOR "PY2322/ 128Mbit" (16 MB) (https://t.me/c/1809358416/113080) - NAND-based units have no MXP partition (https://t.me/c/1166652144/19563) Interfaces and pinout - Boot media is selected by two resistors: "none soldered for NOR and 2 R's for NAND" (https://t.me/c/1809358416/38822, https://t.me/c/1166652144/88189, https://t.me/c/1809358416/38775) - Sensor board connects over a 30-pin 0.5 mm FPC; Tino's estimate of its signals: I2C, 3.3/1.8/5V, MIPI 4-lane, CDS, IR-cut. The same sensor board is used on MC800G (SSC339), a similar one on MC-H12S (IMX577) (https://t.me/c/1809358416/67492) - Asked about a second UART, Tino pointed to connector D2, "used for AF (autofocus) on stock fw", and suggested wiring TX to D2.3 (AF_RX) and RX to D2.2 (AF_TX); wiring PDF at http://www.icamra.cn:8021/pdf/MC800S/MC800S%e6%8e%a5%e7%ba%bf%e5%9b%be.pdf (https://t.me/c/1809358416/38847, https://t.me/c/1809358416/38864) - Wiring diagram looks identical to MC800N2's; MC500N2's is slightly different (https://t.me/c/1809358416/113073) - Per Zipray (relayed by Tino), MC800S and MC500N2 camera boards are compatible (https://t.me/c/1809358416/81143) - Measured: the Taobao SD-card expansion board 739978020319 "was connected to MC800S V1 / NAND and the card works there"; Tino expects other such boards to work too, as they seem compatible with all or most Anjoy boards (https://t.me/c/1809358416/64621) Firmware support (OpenIPC / majestic / stock) - Stock u-boot: "u-boot is not locked, but linux console disabled" (https://t.me/c/1166652144/19514) - The vendor update firmware_MC800S_V0-H5_V3.0.5.5 (icamra.cn, 2021-07) contains only the rootfs partition, no IPL/u-boot/kernel (https://t.me/c/1166652144/19497) - In 2025-08 Tino pointed to a Taobao listing (item 966691900762) for MC800S modules already flashed with OpenIPC; for orders of 100+ pre-programmed OpenIPC modules cost "+8 CNY" (https://t.me/c/1809358416/250195, https://t.me/c/1166652144/134005) Quirks and fixes - NAND units have "no simple way aka ‘just dump NOR, change passwd_sys, repack, reflash and you’re in’" (https://t.me/c/1166652144/19489) - Measured on stock u-boot: md.w 0x1f003c00 reads 00f1 (https://t.me/c/1166652144/19512) - "MC800S/NAND (early version) cannot load UBOOT file from fat32 partition"; workaround is kernel from SD plus rootfs over NFS (https://t.me/c/1809358416/63519) - Measured: "MC800S has this console spam OTB and the MC-K45 does not"; workaround dmesg -n 1 (https://t.me/c/1809358416/65135) - NAND-to-NOR conversion: "unsolder those two R's and replace the NAND flash memory chip with a NOR" (https://t.me/c/1809358416/31636) Sourcing and price - ¥170 ($23) on Taobao in 2023-10 (https://t.me/c/1166652144/77773) - 160 CNY in 2024-02 (https://t.me/c/1809358416/55790) - ~150 RMB in 2024-05, down from ~200 RMB earlier (https://t.me/c/1809358416/81648, https://t.me/c/1809358416/81681) - AliExpress listing (2024-12): https://www.aliexpress.com/item/1005007291137291.html (https://t.me/c/1809358416/137356) - 2025-02: Taobao offers for MC800S grew "ever since fpv firmware came out" (https://t.me/c/1809358416/178278) - ~$32 on Taobao without lens in 2026-06 (https://t.me/c/1809358416/290764, https://t.me/c/1809358416/289873) Variants, aliases and products built on it - Two-board design (sensor + SoC board); with the EU module it is three boards (https://t.me/c/1809358416/186674, https://t.me/c/1809358416/102720) - Sensor board joins the main board by FPC, allowing "flexible mounting" (https://t.me/c/1809358416/51994) - Board size 38x38 mm, same as MC800G (https://t.me/c/1809358416/71756) - The old NAND 800S and the 800S-V3 have "slightly different SMD layout on the sensor board" (https://t.me/c/1809358416/113075) - Products: an AliExpress AF+PTZ zoom camera built on "Anjoy MC800S + AF + PTZ board"; a Taobao 36x optical zoom camera (item 737632892561, 380-530 RMB in 2024-04) (https://t.me/c/1809358416/30539, https://t.me/c/1809358416/73180, https://t.me/c/1809358416/42507) Disagreements - Board count: in 2023-10 Tino described it as "single board" (https://t.me/c/1166652144/77773); later he says "mc800s is 2 board" (https://t.me/c/1809358416/186674, https://t.me/c/1809358416/102720) Photos - The MC800S (SSC338Q, V2.0 silkscreen) with its UART pads marked in green (https://t.me/c/1809358416/26823) - The MC800S's connectors with pin 1 of each marked (https://t.me/c/1166652144/35797)